MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document functions as a link farm, containing numerous links to other documents. One prominent link, disguised as a physics solution manual, redirects to malicious infrastructure at `https://cctraff.ru/123`. The ML classifier strongly indicated maliciousness, and the presence of a malicious redirector URL confirms a high likelihood of user redirection to a harmful site.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://cctraff.ru/123?keyword=wileyplus+fundamentals+of+physics+student+solution+manual In PDF document text
- https://raxiruzaxulam.weebly.com/uploads/1/3/0/7/130738564/gezajaxetebeso.pdfIn PDF document text
- https://fotejisatowonu.weebly.com/uploads/1/3/2/3/132302873/7753583.pdfIn PDF document text
- https://nitiruminaxodax.weebly.com/uploads/1/3/0/7/130738633/d5def2fea.pdfIn PDF document text
- https://varipejat.weebly.com/uploads/1/3/0/7/130739080/tolatadubezi.pdfIn PDF document text
- https://xojisige.weebly.com/uploads/1/3/1/6/131637148/deriginop-fagolukizi.pdfIn PDF document text
- https://femitinekabel.weebly.com/uploads/1/3/1/4/131437683/b809bb63d.pdfIn PDF document text
- https://bewupoterefi.weebly.com/uploads/1/3/1/3/131380107/4014890.pdfIn PDF document text
- https://juragubiv.weebly.com/uploads/1/3/0/8/130874328/vuvezotuni_fojomejuzagi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0486/2260/0350/files/driavast_software_cancellation_policy.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1048/8477/files/singer_sewing_machine_repair_manual_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2588/9442/files/apk_premium_spotify_android.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/7074/8827/files/veginipivajejagonukefav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0496/3595/0743/files/87593046124.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9d62f163-c9e3-4bc0-ad9a-58e0fa9e7548/79266899460.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9040cc50-0809-4108-84d6-c690fab2d181/60125865606.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9ecb4494-44a0-42a1-b365-33a93efe5be8/tejer.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3354bc07-2fee-4fc6-bf98-e22ec5fc0f62/26302414434.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/949e589f-b4cc-44dd-90c3-a94f72936336/90523617522.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9e353951-9318-4052-a647-ecadbc8c6961/31344793278.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4e173b45-15f4-4c75-86ad-54f0b866dc84/69165677616.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000059c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x59C7 | 5416 bytes |
SHA-256: 38e5833fa5e929386da6d30da612446aa48b5e19950f628bc78e8f63711003dd |
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font_01_sfnt_off00006c17.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C17 | 9944 bytes |
SHA-256: d57f6418b1d6a9b5beeaabb512815565f5723e081319bb2ee8dac5eab4a15d8f |
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